html, body, #app {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
    font-size: 20px;
    box-sizing: border-box;
}

.com-page {
    width: 100%;
    height: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.com-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.com-chart {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.com-dv {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
  /*四边圆角设置*/
  canvas {
      border-radius: 20px;
  }


